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Santral sinir sistemi kavernöz venöz malformasyonlarında manyetik rezonans görüntüleme bulguları

Year 2017, Volume: 10 Issue: 2, 120 - 128, 01.07.2017

Abstract

GİRİŞ ve AMAÇ: Bu çalışmanın amacı, santral sinir sistemi kavernöz venöz malformasyonu (KVM) olan hastaların klinik ve manyetik rezonans görüntüleme (MRG) bulgularını değerlendirmektir.YÖNTEM ve GEREÇLER: Kavernöz venöz malformasyonu olan hastaların MRG bulguları retrospektif olarak değerlendirildi. MR protokolü, kontrastsız ve kontrastlı T1-ağırlıklı görüntüleri, T2-ağırlıklı görüntüleri, fluid-attenuated inversion-recovery (FLAIR) ve difüzyon ağırlıklı görüntüleme (DAG) sekanslarını içermekteydi. Görüntülerde KVM lokalizasyonu, tipi, sayısı, hemosiderin halka şekli, eşlik eden gelişimsel venöz anomali (GVA) veya kapiller telanjiyektazi varlığı, lezyonların hacmi ve kontrast tutulumu değerlendirildi. BULGULAR: Toplamda 61 KVM bulunan 41 hasta (40,8 + 16,8 yıl) değerlendirildi. Altmış bir KVM’nin 53'ü (%86,9) serebrumda, 3'ü (%4,9) beyin sapında, 3'ü (%4,9) servikal omurilikte, 2'si (%3,2) serebellumda idi. KVM hacim aralığı 0,27 ila 1,33 ml (ortalama + std; 0,59 + 0,20) arasında idi. Bunların 42'sinde (%68,8) kesintili hemosiderin halkası ve 19'unda (%31,2) kesintisiz hemosiderin halkası vardı. KVM'lerin 39'u (%63,9) tip 2, 15'i (%24,6) Tip 1, 5'i (%8,1) Tip 3 ve 2'si (%3,2) tip 4 idi. 51 (%83,6) KVM’de kontrast tutulumu saptanmazken, 10’unda (%16,4) kontrast tutulumu gözlendi. Kontrast tutulumu ile KVM hacmi arasında anlamlı bir ilişki saptanmadı (p = 0,251). KVM bulunan 6 hastada (%14,6) eşlik eden DVA saptandı.TARTIŞMA ve SONUÇ: KVM’ler santral sinir sisteminde herhangi bir yerde bulunabileceği gibi en sık serebral dağılım gösterirler. Serebral dağılım gösteren KVM’ler ise en sık subkortikal alanda bulunurlar. KVM’ler MRG’de büyük oranda kontrast tutulumu göstermez ve kontrast tutulumu ile lezyon hacmi arasında anlamlı ilişki bulunmamıştır.

Magnetic resonance imaging findings in central nervous system cavernous venous malformations

Year 2017, Volume: 10 Issue: 2, 120 - 128, 01.07.2017

Abstract

INTRODUCTION: The purpose of this study was to evaluate the clinical and magnetic resonance imaging (MRI) findings of patients with central nervous system cavernous venous malformation (CVM).METHODS: We retrospectively evaluated the MRI findings of patients with cavernous malformation. MRI protocol included non-enhanced and contrast-enhanced T1-weighted sequences, T2-weighted sequences, fluid-attenuated inversion-recovery (FLAIR) and diffusion-weighted imaging (DWI) sequences. Images were reviewed to assess the location, CVMs type, number, hemosiderin rings shape, accompanying development venous angioma (DVA) or capillary telangiectasia, volume and contrast-enhancement of the lesions. RESULTS: Forty-one patients (40,8 + 16,8 years) with 61 CVM were evaluated. Of 61 CVMs 53 (86,9%) were in cerebrum, 3 (4,9%) in brainstem, 3 (4,9%) in cervical spinal cord, 2 (3,2%) in cerebellum. The CVM volume range was 0,27-1,33 ml (mean + std; 0,59 + 0,20). Forty-two of them (68.8%) had discontinuous hemosiderin rings and 19 (31.2%) continuous ones. Thirty-nine (63,9%) of the CVM’s were of type 2, 15 (24,6%) Type 1, 5 (8,1%) Type 3 and 2 (3,2%) type 4. While there were not contrast enhancement in 51 (83,6%) of CVMs, contrast enhancement was observed in 10 (16,4%). Contrast enhancement was not significantly associated with CVM volumes (p=0,251). In 6 patients (14,6%), CVM was accompanied by DVA.DISCUSSION AND CONCLUSION: CVMs can be found anywhere in the central nervous system and most often show cerebral distribution. CVMs with cerebral distribution are most commonly found in the subcortical area. CVMs often do not show contrast enhancement on MRI and there was no significant relationship between contrast enhancement and CVMs volume.

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Details

Other ID JA43DZ82DD
Journal Section Research Article
Authors

Furkan Ufuk This is me

Publication Date July 1, 2017
Submission Date July 1, 2017
Published in Issue Year 2017 Volume: 10 Issue: 2

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APA Ufuk, F. (2017). Magnetic resonance imaging findings in central nervous system cavernous venous malformations. Pamukkale Medical Journal, 10(2), 120-128.
AMA Ufuk F. Magnetic resonance imaging findings in central nervous system cavernous venous malformations. Pam Med J. July 2017;10(2):120-128.
Chicago Ufuk, Furkan. “Magnetic Resonance Imaging Findings in Central Nervous System Cavernous Venous Malformations”. Pamukkale Medical Journal 10, no. 2 (July 2017): 120-28.
EndNote Ufuk F (July 1, 2017) Magnetic resonance imaging findings in central nervous system cavernous venous malformations. Pamukkale Medical Journal 10 2 120–128.
IEEE F. Ufuk, “Magnetic resonance imaging findings in central nervous system cavernous venous malformations”, Pam Med J, vol. 10, no. 2, pp. 120–128, 2017.
ISNAD Ufuk, Furkan. “Magnetic Resonance Imaging Findings in Central Nervous System Cavernous Venous Malformations”. Pamukkale Medical Journal 10/2 (July 2017), 120-128.
JAMA Ufuk F. Magnetic resonance imaging findings in central nervous system cavernous venous malformations. Pam Med J. 2017;10:120–128.
MLA Ufuk, Furkan. “Magnetic Resonance Imaging Findings in Central Nervous System Cavernous Venous Malformations”. Pamukkale Medical Journal, vol. 10, no. 2, 2017, pp. 120-8.
Vancouver Ufuk F. Magnetic resonance imaging findings in central nervous system cavernous venous malformations. Pam Med J. 2017;10(2):120-8.

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